Steam-enginx



{No Model.) 2 Sheets-Sheet 2.

G. VYNE.

STEAM ENGINE. 'No. 514,896 Patented Feb. 6, 1894.

E: [IE-4 3/ 57 5 3440a n loz Gerreb 79nd UNITED STATES PATENT FFICE.

GERRIT VYNE, OF WILKESBOROUGH, NORTH CAROLINA.

STEAM-ENGINE.

SPECIFICATION forming part of Letters Patent No. 514,396, dated February6, 1894.

Application filed May 12, 1893.

To ctZZ whom it may concern:

Be itknown that I, GERRIT VYNE, a citizen of the United States, residingat Wilkesborough,

in the county of iVilkes and State of North Carolina, have inventedcertain new and usefullmprovements in Steam-Engines; and I do herebydeclare the following to be a full, clear, and exact description of theinvention, such as will enable others skilled in the art to which itappertains to make and use the same.

My invention relates to steam engines, and has for its object to providenew and improved mechanism for automatically regulating the supply ofsteam to the engine to suit the work that is being performed; andauxiliary mechanism which will operate to keep the engine under regularspeed, when from any cause the governor belt becomes broken or unshippedfrom its pulley.

My invention also has for its object to dispense with the valvesordinarily employed in connection with the governor, and to simplify theconstruction and operation of the above mentioned devices employedforsuch regulation.

To these ends myinvention consists in the construction, relativearrangement and operation of the several parts constituting myinvention, all of which will hereinafter fully and clearly appear from areading of the fol.- lowing description, taken in connection with theaccompanying drawings, in which- Figure 1 illustrates in elevation ahorizontal steam engine with my improvements applied thereto; Fig. 2 aplan view of the same; Fig. 3 a detail view enlarged showing inelevation the governor, eccentric and valve rods with my improvementsthereon; and Figs. a

A and 5 are detail views enlarged of portions of and rotated by means ofa gear 14: on the Serial No. 473,990. (No modeLl spindle 13 which mesheswith a gear 15 on a horizontal shaft 16 journaled in the standard 10:said shaft having on its outer end a sheave 17 which is connected bymeans of a belt 18 with another sheave 19 on the main shaft. Below thesliding cross-head 200i? the governor is arranged a grooved circularblock 21 which is secured to said cross-head and is movable on thespindle.

22 is a standard or post secured to the be of the engine, and providedwith a fork 23 at its upper end in which is pivotally mounted a leverbar 24. This bar terminates at one end in two jaws 25 which are seatedin the groove of the block 21 by which latter the said lever bar isactuated as will be presently eitplained. On the other end of the bar24E is a cross-head26, at each side of which are pivotally secured twodepending rods 27. These rods are pivotally secured at their lower endsto a head 28 movably mounted in a guide frame 29 which is pivoted at itslower end at 30 to the side of the guide bed as shown, and the upper endof the frame has in conse quence a rocking motion imparted by the actionof the eccentric rod 31 which is pivotally secured at 32 to said frameand at its other end to the eccentric 8.

33 is a guide standard secured to the guide bed at 34 having a squareopening to receive the outer end of the valve rod 35 which is madesquare to fit said guide standard to prevent the turning of the valve.Pivotally connected at 36 to said valve rod is a connecting rod 37 whichhas at its outer end a yoke 38 which spans the guide frame 29 and ispivotally connected to the block 28 by means of pins 39 to which arealso secured the lower ends of the rods 27.

On the top of the standard 10 is secured a box 40 which serves as abearing for the inner end of an arm 41 which carries at its outer end afriction pulley42 having contactwith the governor belt. The journal ofthe arm 41 extends beyond the inner side of the box and is laterallybent to form a trip 43 which engages the under side of the block 21, andoperates in a manner to be presently explained.

The operation is as follows: The steam is turned on and the engine setin motion, and the centrifugal action causes the governor balls to moveoutward and raise the block,

which latter carries upward therewith theinner end of the lever arm. Theother end of said arm is thereby depressed and operates through the rods27, to move the head 28 downward in its guide, which carries therewiththe outer end of the valve connecting rod and shortens the leveragebetween it and the eccentric rod as will be understood by reference toFig. 3 of the drawings. The stroke of the valve rod is thus shortened,andin consequence thereof the slide valve willoperate to partly open theports and the entrance of steam into the cylinder is thereby regulated,and the movement of the engine governed.

In the event of the pulley 42 becoming unshipped from the governor beltor in the event of the breakage of the latter the arm 41 will drop andraise the trip 43 which will in turn raise the block 21 and consequentlythe lever arm, which latter will operate the mechanism to regulate thesupply of steam as abov stated.

By my invention the movement of the slide valve is increased ordiminished, causing its own automatic cut off and thereby causing theengine to run steady under all stages of labor; and having noobstruction between the boiler and the engine, the power will increaseby reason of a steady flow of steam, thereby lessening the cost of fuel.In the event of the breakage of the governor belt, the governor ballsare kept distended as will be readily understood and the engine will beprevented from running away.

I claim- 1. In a steam engine, the combination of an eccentric and itsrod, a pivoted guide frame lever bar centrally pivoted and looselyconnected at one end to said governor, and at its other end to theblock, all substantially as and for the purposes set forth.

2. In a steam engine, the combination of an eccentric and its rod, aguide frame connected to said rod, the valve rod having at its inner enda block moving in said guide, a governor, intermediate mechanism betweensaid governor and block, a governor belt, a friction pulley normallyresting on said belt and having an arm provided with a trip fordistending the governor balls, substantially as and for the purposes setforth.

3. In a steam engine, the combination of an eccentric and its rod, apivoted frame secured to said rod, a block movable in said frame, theslide valve and its rod, a connecting rod between said slide valve rodand block, a ball governor having a grooved block thereon, a centrallypivoted lever having jaws at one end which engage said grooved block,and at the other end rods connecting with the slide block, a governorbelt, a pulley normally resting thereon and connected with a pivotedarm, and a trip on the said arm adapted to engage the under side of thegrooved block, all substantially as and for the purposes set forth.

In testimony whereof I affix my signature in presence of two witnesses.

GERRIT VYNE. Witnesses:

D. R. EDWARDS, CALVIN J. GowLEs.

